Home / 31,514,538.60-47,245,563.90-13,332,695.40

Finding the Fourth Proportional to 31,514,538.60, 47,245,563.90 and 13,332,695.40

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Solution

The fourth proportional to 31,514,538.60, 47,245,563.90 and 13,332,695.40 is: 19,987,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514,538.60 : 47,245,563.90 = 13,332,695.40 : x
  2. Step 2: Convert to fraction form
    31,514,538.60/47,245,563.90 = 13,332,695.40/x
  3. Step 3: Cross multiply
    31,514,538.60x = 47,245,563.90 × 13,332,695.40
  4. Step 4: Simplify right side
    31,514,538.60x = 629,910,712,479,936
  5. Step 5: Solve for x
    x = 629,910,712,479,936/31,514,538.60
  6. Step 6: Final answer
    x = 19,987,940.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.